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Clearnote
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Junior High
Mathematics
求解
Mathematics
Junior High
about 1 yearago
📖
求解
練習7:已知a+b=3,ab=1,求下列各式的值: (1)a²+b² = == [解] (2)(a - b)² = 3
因式分解
Answers
Yuri
about 1 yearago
這樣子😉
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Aria
about 1 yearago
這樣
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滝
about 1 yearago
過程
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